Hi Jean-Paul
Sorry for coming back...
Just to be a little more precise:
This is a nevow/athena site I therefore have little done in the bowels
of twisted and specially no artwork in handling loseConnection.
Site running on twisted SVN 25479 (appr 8.1.0) shows absolutely no problems.
Site running on twisted SVN 26124 (appr 8.2.0) shows this problem, which
definitely means that something in the guts of twisted is now barfing at me.
But its only about 700 SVN commits in between, I think I will do a SA
approach to figure out where this barfing starts and try to nail it to
the relevant commit.
I would be more than thankful if somebody could spare me this effort by
throwing in an educated guess.
Thxs, Werner
PS I like the one about the dots, that's why I'm not working with Java
Jean-Paul Calderone wrote:
On Wed, 04 Feb 2009 11:04:26 +0100, Werner Thie
<wt...@thiengineering.ch> wrote:
Hi all
My users are complaining that they get the odd disconnect while using
my site built with nevow/athena on FreeBSD 7.1 with the poll reactor.
I recently switched to twisted 8.2 release and am now observing 199
'Unhandled Error' out of 298436 logged requests with the following
traceback.
Any clues?
TIA, Werner
[snip]
File
"/usr/local/lib/python2.5/site-packages/Twisted-8.2.0_r26128-
py2.5-freebsd-7.1-RELEASE-amd64.egg/twisted/web/proxy.py", line 79, in
handleResponseEnd
self.father.channel.transport.loseConnection()
exceptions.AttributeError: 'NoneType' object has no attribute
'transport'
Anywhere there are that many dots in a single expression, there's bound to
be trouble. :)
It's probably something rather simple, like the connection being lost near
when the response ends. It's probably also pretty easy to fix (by being
more careful in how lost connections are handled). If you can create a
short example which reproduces the problem, that'll go a long way towards
helping it get fixed. I suggest instrumenting the codepath that sets the
"channel" attribute to None and watching to see what happens.
Jean-Paul
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